/* ==============================================
   SEED FLORE - Main Stylesheet
   共通スタイル + PC/大画面(1025px以上)向け
   ============================================== */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg: #f7f3ec;
  --color-bg-dark: #1a1613;
  --color-text: #201c19;
  --color-text-sub: #6b625a;
  --color-accent: #8a6d3b;
  --color-accent-light: #c9a96b;
  --color-line: #d9d0c2;
  --color-white: #ffffff;

  --font-display: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-jp: 'Noto Serif JP', serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max-width: 1240px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-jp);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s var(--ease);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

/* ---------- Section Common ---------- */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 160px 80px;
  position: relative;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 48px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.section-label .label-num {
  font-weight: 400;
}

.section-label .label-text::before {
  content: '—';
  margin-right: 12px;
  color: var(--color-accent-light);
}

.section-title {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 48px;
  line-height: 1.6;
  letter-spacing: 0.12em;
  margin-bottom: 64px;
}

.section-title span {
  display: block;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 32px 0;
  background: rgba(247, 243, 236, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: padding 0.4s var(--ease), background 0.4s var(--ease);
}

.site-header.scrolled {
  padding: 20px 0;
  background: rgba(247, 243, 236, 0.92);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-en {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.24em;
}

.logo-jp {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--color-text-sub);
  margin-top: 4px;
}

.nav ul {
  display: flex;
  gap: 48px;
}

.nav a {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.18em;
  position: relative;
  padding-bottom: 4px;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.4s var(--ease);
}

.nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 32px;
  height: 22px;
  position: relative;
  z-index: 110;
}

.menu-toggle span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease), top 0.4s var(--ease);
}

.menu-toggle span:nth-child(1) { top: 2px; }
.menu-toggle span:nth-child(2) { top: 10px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle.active span:nth-child(1) {
  top: 10px;
  transform: rotate(45deg);
}
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) {
  top: 10px;
  transform: rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 80px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(201, 169, 107, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(138, 109, 59, 0.12) 0%, transparent 55%),
    linear-gradient(180deg, #f7f3ec 0%, #efe8dc 100%);
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(138, 109, 59, 0.08) 1px, transparent 0);
  background-size: 32px 32px;
  opacity: 0.5;
}

.hero-inner {
  text-align: center;
  position: relative;
  max-width: 900px;
}

.hero-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 1.2s var(--ease) 0.3s forwards;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 48px;
}

.hero-title-en {
  font-family: var(--font-display);
  font-size: 112px;
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 1;
  opacity: 0;
  animation: fadeUp 1.4s var(--ease) 0.5s forwards;
}

.hero-title-jp {
  font-size: 14px;
  letter-spacing: 0.6em;
  color: var(--color-text-sub);
  opacity: 0;
  animation: fadeUp 1.2s var(--ease) 0.9s forwards;
}

.hero-lead {
  font-size: 18px;
  letter-spacing: 0.16em;
  line-height: 2.2;
  color: var(--color-text);
  opacity: 0;
  animation: fadeUp 1.2s var(--ease) 1.2s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
  opacity: 0;
  animation: fadeUp 1s var(--ease) 1.8s forwards;
}

.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2.4s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.3); transform-origin: top; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Concept ---------- */
.concept {
  position: relative;
}

.concept::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-accent));
}

.concept-body {
  max-width: 720px;
}

.concept-body p {
  font-size: 17px;
  line-height: 2.4;
  letter-spacing: 0.08em;
  margin-bottom: 32px;
  color: var(--color-text);
}

.concept-body p:last-child {
  margin-bottom: 0;
}

/* ---------- Philosophy ---------- */
.philosophy {
  background: var(--color-bg-dark);
  color: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.philosophy::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 20%, rgba(201, 169, 107, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.philosophy .section-label {
  color: var(--color-accent-light);
}

.philosophy .section-label .label-text::before {
  color: var(--color-accent);
}

.philosophy .section-title {
  color: var(--color-bg);
}

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px;
  margin-top: 24px;
}

.value-card {
  position: relative;
  padding: 48px 32px;
  border-top: 1px solid rgba(201, 169, 107, 0.3);
  transition: transform 0.5s var(--ease);
}

.value-card:hover {
  transform: translateY(-6px);
}

.value-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--color-accent-light);
  margin-bottom: 32px;
}

.value-title-en {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 400;
  letter-spacing: 0.16em;
  line-height: 1;
  margin-bottom: 12px;
  color: var(--color-bg);
}

.value-title-jp {
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--color-accent-light);
  margin-bottom: 32px;
}

.value-desc {
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 236, 0.75);
}

/* ---------- Talents ---------- */
.talents-lead {
  font-size: 17px;
  line-height: 2.2;
  letter-spacing: 0.1em;
  margin-bottom: 80px;
  color: var(--color-text);
}

.talent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 40px;
}

.talent-card {
  cursor: pointer;
  transition: transform 0.5s var(--ease);
}

.talent-card:hover {
  transform: translateY(-6px);
}

.talent-visual {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #e8dfd0 0%, #d9cfb8 100%);
}

.talent-visual::before {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(138, 109, 59, 0.25);
  pointer-events: none;
  z-index: 2;
  transition: inset 0.5s var(--ease);
}

.talent-card:hover .talent-visual::before {
  inset: 6px;
}

.talent-image {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 140px;
  font-weight: 300;
  color: rgba(138, 109, 59, 0.35);
  transition: transform 0.8s var(--ease);
  background:
    radial-gradient(circle at 30% 30%, rgba(247, 243, 236, 0.5) 0%, transparent 50%),
    linear-gradient(135deg, #e8dfd0 0%, #d9cfb8 100%);
}

.talent-image::before {
  content: attr(data-initial);
}

.talent-card:hover .talent-image {
  transform: scale(1.05);
}

.talent-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 22, 19, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  z-index: 3;
}

.talent-card:hover .talent-overlay {
  opacity: 1;
}

.talent-view {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0.3em;
  color: var(--color-accent-light);
  border-bottom: 1px solid var(--color-accent-light);
  padding-bottom: 4px;
}

.talent-info {
  text-align: left;
}

.talent-category {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.talent-furigana {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
  margin-bottom: 6px;
}

.talent-name {
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}

.modal.is-open {
  visibility: visible;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 22, 19, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -48%);
  width: calc(100% - 80px);
  max-width: 1000px;
  max-height: 88vh;
  background: var(--color-bg);
  overflow-y: auto;
  transition: transform 0.6s var(--ease);
}

.modal.is-open .modal-container {
  transform: translate(-50%, -50%);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  z-index: 10;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.modal-close:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.modal-close span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 1px;
  background: var(--color-text);
  transition: background 0.3s var(--ease);
}

.modal-close:hover span {
  background: var(--color-bg);
}

.modal-close span:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}
.modal-close span:nth-child(2) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.modal-inner {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 0;
}

.modal-visual {
  background: linear-gradient(135deg, #e8dfd0 0%, #d9cfb8 100%);
  min-height: 560px;
}

.modal-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 200px;
  font-weight: 300;
  color: rgba(138, 109, 59, 0.35);
  background:
    radial-gradient(circle at 30% 30%, rgba(247, 243, 236, 0.5) 0%, transparent 50%);
}

.modal-image::before {
  content: attr(data-initial);
}

.modal-content {
  padding: 64px 56px;
}

.modal-category {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.modal-furigana {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
  margin-bottom: 8px;
}

.modal-name {
  font-family: var(--font-jp);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
}

.modal-profile {
  margin-bottom: 40px;
}

.modal-profile dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 32px;
}

.modal-profile dl > div {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.modal-profile dt {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  min-width: 72px;
}

.modal-profile dd {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.modal-section {
  margin-bottom: 32px;
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.24em;
  color: var(--color-accent);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(138, 109, 59, 0.15);
}

.modal-section ul li {
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.08em;
  color: var(--color-text);
  padding-left: 20px;
  position: relative;
}

.modal-section ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent-light);
}

.modal-social {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.modal-social a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: 1px solid var(--color-line);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--color-text);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.modal-social a:hover {
  background: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

body.modal-open {
  overflow: hidden;
}

/* ---------- Contact ---------- */
.contact {
  background: linear-gradient(180deg, var(--color-bg) 0%, #efe8dc 100%);
  text-align: center;
}

.contact .section-inner {
  max-width: 720px;
}

.contact .section-label {
  justify-content: center;
}

.contact .section-title {
  text-align: center;
}

.contact-lead {
  font-size: 16px;
  line-height: 2.2;
  letter-spacing: 0.1em;
  margin-bottom: 56px;
  color: var(--color-text-sub);
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 22px 56px;
  border: 1px solid var(--color-accent);
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.24em;
  color: var(--color-accent);
  position: relative;
  overflow: hidden;
  transition: color 0.4s var(--ease);
}

.contact-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: translateX(-101%);
  transition: transform 0.5s var(--ease);
  z-index: -1;
}

.contact-btn:hover {
  color: var(--color-bg);
}

.contact-btn:hover::before {
  transform: translateX(0);
}

.btn-arrow {
  transition: transform 0.4s var(--ease);
}

.contact-btn:hover .btn-arrow {
  transform: translateX(6px);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-bg);
  padding: 80px 0 40px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 80px;
  display: grid;
  grid-template-columns: 1.1fr 1fr auto;
  gap: 60px;
  align-items: flex-start;
}

.footer-logo-en {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 0.24em;
  margin-bottom: 8px;
}

.footer-logo-jp {
  font-size: 11px;
  letter-spacing: 0.5em;
  color: var(--color-accent-light);
  margin-bottom: 16px;
}

.footer-parent {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(247, 243, 236, 0.6);
}

.footer-info-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.24em;
  color: var(--color-accent-light);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(201, 169, 107, 0.2);
}

.footer-info-text {
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 236, 0.75);
}

.footer-meta {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(247, 243, 236, 0.5);
  align-self: flex-end;
  text-align: right;
}

/* ---------- Scroll Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}